The glial cells of the nervous system have been eclipsed in importance by neurons for decades. But glia are turning out to be central to many neurological functions, including pain perception.
An organized tide of brain waves, blood and spinal fluid pulsing through a sleeping brain may flush away neural toxins that cause Alzheimer’s and other diseases.
Singing experiments with residents of the Bolivian rainforest demonstrate how biology and experience shape the way we hear music.
While we sleep, one kind of slow brain wave helps to reinforce memories, but a competing wave weakens them.